Cheap flights from Kathmandu to Washington, D.C. from $546

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kathmandu to Washington, D.C. departing on 11/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

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Multiple Airlines Logo
1:45 pm - 3:30 pmKTM-IAD
36h 30m2 stops
Multiple Airlines Logo
2:35 pm - 6:35 pmIAD-KTM
41h 15m2 stops
$927Multiple Airlines
Find Deal
Tue, Dec 16 - Thu, Feb 12
Multiple Airlines Logo
1:45 pm - 9:05 amKTM-IAD
30h 05m2 stops
Multiple Airlines Logo
3:35 pm - 6:35 amIAD-KTM
29h 15m2 stops
$942Multiple Airlines
Find Deal
Tue, Dec 23 - Wed, Apr 22
Multiple Airlines Logo
5:10 pm - 3:30 pmKTM-IAD
33h 05m2 stops
Multiple Airlines Logo
2:35 pm - 9:50 amIAD-KTM
32h 30m2 stops
$950Multiple Airlines
Find Deal
Thu, Dec 4 - Thu, Feb 5
Multiple Airlines Logo
5:30 pm - 9:05 amKTM-IAD
26h 20m2 stops
Multiple Airlines Logo
2:35 pm - 12:15 amIAD-KTM
22h 55m2 stops
$977Multiple Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 17
Air India Logo
2:55 pm - 10:59 pmKTM-DCA
42h 49m2 stops
Air India Logo
6:30 am - 12:15 amDCA-KTM
32h 00m2 stops
$1,425Air India
Find Deal
Tue, Mar 3 - Wed, May 13
Air India Logo
10:20 pm - 10:46 pmKTM-DCA
35h 11m2 stops
Air India Logo
6:30 am - 12:15 amDCA-KTM
32h 00m2 stops
$1,493Air India
Find Deal
Thu, Dec 18 - Wed, Apr 29
Korean Air Logo
7:20 pm - 3:32 pmKTM-BWI
30h 57m2 stops
Korean Air Logo
10:00 am - 4:50 pmBWI-KTM
45h 05m2 stops
$1,582Korean Air
Find Deal
Tue, Dec 23 - Sun, Apr 19
Korean Air Logo
7:20 pm - 4:11 pmKTM-BWI
31h 36m2 stops
Korean Air Logo
10:00 am - 4:50 pmBWI-KTM
69h 05m2 stops
$1,583Korean Air
Find Deal
Sat, Feb 7 - Sat, Jun 20
Qatar Airways Logo
7:05 pm - 4:50 pmKTM-DCA
32h 30m2 stops
Qatar Airways Logo
5:32 pm - 7:55 amDCA-KTM
27h 38m2 stops
$1,617Qatar Airways
Find Deal
Tue, Feb 3 - Tue, Feb 17
Qatar Airways Logo
7:05 pm - 9:28 pmKTM-BWI
36h 08m2 stops
Qatar Airways Logo
11:15 am - 8:50 amBWI-KTM
35h 50m2 stops
$1,642Qatar Airways
Find Deal
Mon, Mar 9 - Wed, May 13

SWISS flights from Kathmandu to Washington, D.C.

Our best SWISS deals on Kathmandu to Washington, D.C. flight tickets
SWISS
Nov 13
KTM10:20 pmKathmandu Tribhuvan
53h 05m
2 stops
IAD4:40 pmWashington, D.C. Dulles Intl
Apr 30
IAD10:10 pmWashington, D.C. Dulles Intl
46h 40m
3 stops
KTM6:35 amKathmandu Tribhuvan
SWISS
Nov 13
KTM10:20 pmKathmandu Tribhuvan
27h 55m
2 stops
IAD3:30 pmWashington, D.C. Dulles Intl
Apr 30
IAD10:10 pmWashington, D.C. Dulles Intl
46h 40m
3 stops
KTM6:35 amKathmandu Tribhuvan

Emirates flights from Kathmandu to Washington, D.C.

Our best Emirates deals on Kathmandu to Washington, D.C. flight tickets
Emirates
Nov 15
KTM3:35 pmKathmandu Tribhuvan
27h 20m
1 stop
IAD8:10 amWashington, D.C. Dulles Intl
Dec 15
IAD10:30 amWashington, D.C. Dulles Intl
21h 25m
1 stop
KTM6:40 pmKathmandu Tribhuvan
Emirates
Nov 25
KTM12:30 amKathmandu Tribhuvan
42h 25m
1 stop
IAD8:10 amWashington, D.C. Dulles Intl
Dec 3
IAD10:30 amWashington, D.C. Dulles Intl
21h 25m
1 stop
KTM6:40 pmKathmandu Tribhuvan
Emirates
Nov 15
KTM3:35 pmKathmandu Tribhuvan
27h 20m
1 stop
IAD8:10 amWashington, D.C. Dulles Intl
Dec 15
IAD10:30 amWashington, D.C. Dulles Intl
21h 25m
1 stop
KTM6:40 pmKathmandu Tribhuvan

momondo Fare Finder

 
Customize your flight search to find flights from Kathmandu to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 12, 2025.
Use the filters below to find and compare flights from Kathmandu to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 12/16

1:45 pm-3:30 pm

2 stops36h 30m

Washington, D.C. Dulles Intl

Thu 2/12

2:35 pm-6:35 pm

2 stops41h 15m

$927

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 12/23

1:45 pm-9:05 am

2 stops30h 05m

Washington, D.C. Dulles Intl

Wed 4/22

3:35 pm-6:35 am

2 stops29h 15m

$942

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Thu 12/4

5:10 pm-3:30 pm

2 stops33h 05m

Washington, D.C. Dulles Intl

Thu 2/5

2:35 pm-9:50 am

2 stops32h 30m

$950

KathmanduWashington, D.C.

KTM - IAD

KTMIAD

Kathmandu Tribhuvan

Tue 2/3

5:30 pm-9:05 am

2 stops26h 20m

Washington, D.C. Dulles Intl

Tue 2/17

2:35 pm-12:15 am

2 stops22h 55m

$977

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 3/3

2:55 pm-10:59 pm

2 stops42h 49m

Washington, D.C. Reagan-National

Wed 5/13

6:30 am-12:15 am

2 stops32h 00m

$1,425

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Thu 12/18

10:20 pm-10:46 pm

2 stops35h 11m

Washington, D.C. Reagan-National

Wed 4/29

6:30 am-12:15 am

2 stops32h 00m

$1,493

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Tue 12/23

7:20 pm-3:32 pm

2 stops30h 57m

Baltimore/Washington

Sun 4/19

10:00 am-4:50 pm

2 stops45h 05m

$1,582

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Sat 2/7

7:20 pm-4:11 pm

2 stops31h 36m

Baltimore/Washington

Sat 6/20

10:00 am-4:50 pm

2 stops69h 05m

$1,583

KathmanduWashington, D.C.

KTM - DCA

KTMDCA

Kathmandu Tribhuvan

Tue 2/3

7:05 pm-4:50 pm

2 stops32h 30m

Washington, D.C. Reagan-National

Tue 2/17

5:32 pm-7:55 am

2 stops27h 38m

$1,617

KathmanduBaltimore

KTM - BWI

KTMBWI

Kathmandu Tribhuvan

Mon 3/9

7:05 pm-9:28 pm

2 stops36h 08m

Baltimore/Washington

Wed 5/13

11:15 am-8:50 am

2 stops35h 50m

$1,642

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Kathmandu to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Kathmandu, with most prices found around $1,240. If you’re not able to fly to Washington, D.C. in January, then June is your next best option. Flight prices from Kathmandu to Washington, D.C. during June average around $1,323.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Kathmandu is on a Thursday. momondo users have found tickets for Thursday departures for as low as $1,301. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from Kathmandu to Washington, D.C. for around $1,556.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Kathmandu to Washington, D.C. when you can find flight prices for as low as $1,269. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,501. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Kathmandu when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $1,528 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Kathmandu for as low as $1,339 on momondo.

Can stopping save me money on Kathmandu to Washington, D.C. flights?

You could potentially save up to 43% on your flight if you consider stops on a Kathmandu to Washington, D.C. flight.

How have Kathmandu to Washington, D.C. flight prices changed over time?

As of November 2025, prices for Kathmandu to Washington, D.C. flights are approximately 11% cheaper when compared to flights at the same time last year.

When to book flights from Kathmandu to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Kathmandu to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kathmandu to Washington, D.C. (KTM to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kathmandu to Washington, D.C.

Direct flights

None
There are no direct flights from Kathmandu to Washington, D.C.. There are no popular flight routes from Kathmandu to Washington, D.C..
  • How far is Kathmandu Tribhuvan to Washington, D.C. by plane?

    A flight from Kathmandu Tribhuvan to Washington, D.C. will travel around 7689.5 mi. A reasonable flight in good conditions will take 26h 20m.

  • When did momondo last update prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Prices for flights from Kathmandu Tribhuvan Airport to Washington, D.C. are refreshed on a daily basis.

  • How many operators does momondo search for flights from Kathmandu Tribhuvan Airport to Washington, D.C.?

  • How old do you have to be to fly from Kathmandu Tribhuvan Airport to Washington, D.C.?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kathmandu Tribhuvan Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The necessary travel and health documents for your Washington, D.C. trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kathmandu to Washington, D.C.?

Best airlines flying from Kathmandu to Washington, D.C.

Compare and see reviews for airlines that fly from Kathmandu to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
IndiGoPriceFrom $947Free CancellationRating
6.9
497 reviews
Search IndiGo flights
Air IndiaPriceFrom $1,150Free CancellationRating
5.5
2,940 reviews
Search Air India flights
Turkish AirlinesPriceFrom $1,221Free CancellationRating
7.3
4,043 reviews
Search Turkish Airlines flights
Qatar AirwaysPriceFrom $1,327Free CancellationRating
7.4
3,660 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,509Free CancellationRating
8.1
3,406 reviews
Search Emirates flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Kathmandu to Washington, D.C.?

Finding the right flight to Washington, D.C. from Kathmandu is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

Can I find flights from Kathmandu to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Kathmandu with this policy.

How can momondo help me find flights from Kathmandu to Washington, D.C.?

Once you have performed a search for Kathmandu to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kathmandu to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Kathmandu. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Fri 12/12
Fri 12/19

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.